SMCI (Sheet Metal Contractors, Inc.)

De Soto, Missouri

SMCI (Sheet Metal Contractors, Inc.) is a family-owned construction company based in De Soto, Missouri, established in 1980. The company specializes in mechanical and architectural sheet metal work, HVAC services, and related solutions for commercial, industrial, and residential clients in southern Jefferson County, St. Louis, and surrounding areas. With a commitment to community service, SMCI supports local churches, schools, and civic organizations, guided by their motto, "Excellence Prevails." The company employs between 25 to 55 professionals and has an annual revenue of approximately $6.9 million as of 2025. SMCI offers a range of services, including residential and commercial HVAC solutions, custom sheet metal fabrication, duct cleaning, preventive maintenance agreements, and geothermal systems. They also provide architectural sheet metal roofs, privacy fencing, and high-energy efficiency installations, including SOLATUBE daylighting systems.